Reformation | Marcella Ruched Canvas Floral Flat Slides in Blue and White SIZE US 6 Very good, pre-owned condition Some wear on soles and toe bed, otherwise in great condition MSRP $148 Details: Solemates. The Marcella is a flat slide on sandal with a square toe. We added a ruched strap to match all your ruched clothes. Fabrications vary by colorway. It runs slightly narrow, so we recommend opting for 1/2 size up if you have a fuller foot.